45051525 has 48 divisors (see below), whose sum is σ = 85470720. Its totient is φ = 23241600.

The previous prime is 45051511. The next prime is 45051541. The reversal of 45051525 is 52515054.

45051525 is a `hidden beast` number, since 4 + 505 + 152 + 5 = 666.

It is not a de Polignac number, because 45051525 - 2⁴ = 45051509 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 19849 + ... + 22001.

It is an arithmetic number, because the mean of its divisors is an integer number (1780640).

Almost surely, 2^45051525 is an apocalyptic number.

45051525 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

45051525 is a deficient number, since it is larger than the sum of its proper divisors (40419195).

45051525 is a wasteful number, since it uses less digits than its factorization.

45051525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2203 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 5000, while the sum is 27.

The square root of 45051525 is about 6712.0432805518. The cubic root of 45051525 is about 355.8250334300.

Adding to 45051525 its reverse (52515054), we get a palindrome (97566579).

The spelling of 45051525 in words is "forty-five million, fifty-one thousand, five hundred twenty-five".